18 documents found, page 1 of 2
Functionalized 3D polyurethane foams with microwave-synthesized TiO2 nanostruct...
Matias, Maria Leonor; Pimentel, Ana; Reis Machado, Ana S.; Rodrigues, Joana; Fernandes, Auguste; Monteiro, Teresa; Almeida Carvalho, PatríciaPublisher Copyright: © 2025 RSC.; Pharmaceutical substances present in soils and water supplies pose a significant risk to the ecosystem. Solar light-driven photocatalysis with titanium dioxide (TiO2) nanophotocatalysts has been widely explored for the degradation of these substances in aquatic resources. However, the lack of reported sustainable methods to produce TiO2 nanophotocatalysts and the challenges ass...
Revealing the nature of the Zn2GeO4 bluish-white emission in microwave-assisted...
Dias, Miguel P.; Batista, Maria S.; Pimentel, Ana; Fortunato, Elvira; Martins, Rodrigo; Costa, Florinda M.; Pereira, Sónia O.; Rodrigues, JoanaThis study has the support of the Institute for Nanostructures, Nanomodelling and Nanofabrication (i3N), through projects UIDB/50025/2020–2023 & UIDP/50025/2020–2023 & LA/P/0037/2020, as well as IonProGO (2022.05329. PTDC), DOI: 10.54499/2022.05329, 2023.00054. RESTART, LIGHEART (2022.08597. PTDC) and, CO2RED (PTDC/EQU-EPQ/2195/2021) projects, all funded by the Foundation for Science and Technology (FCT). J. Ro...
Self-cleaning stone Façades using TiO2 Microwave-Synthesised Coatings
Bento, David Henriques; Matias, Maria Leonor; Magalhães, Maria; Quitério, Catarina; Pimentel, Ana; Sousa, Dora; Amaral, Pedro; Galhano, CarlosFunding Information: This work received support from National Funds from FCT − Fundação para a Ciência e a Tecnologia, I.P., through the project UIDB/50025/2020–2023, UIDP/50025/2020–2023, LA/0037/2020 of the Associate Laboratory Institute of Nanostructures, Nanomodelling, and Nanofabrication-i3N. M.L. Matias would like to express gratitude to FCT for the Ph.D. scholarship UI/BD/151292/2021. Acknowledgments are...
Bacterial cellulose-FucoPol composite hydrogel dressings for advanced wound tre...
Esmail, Asiyah; Rovisco, Ana; Morais, Maria; Pimentel, Ana; Fortunato, Elvira; Serra, Ana Teresa; Freitas, FilomenaFunding Information: This work was financed by national funds from FCT/MCTES - Fundação para a Ciência e a Tecnologia, I.P., Ministério da Ciência, Tecnologia e Ensino Superior, in the scope of the projects UIDP/04378/2020 and UIDB/04378/2020 of the Research Unit on Applied Molecular Biosciences – UCIBIO, iNOVA4Health R&D Unit (UIDB/04462/2020 and UIDP/04462/2020), LS4FUTURE Associated Laboratory (LA/P/0087/202...
Microwave Synthesis of Visible-Light-Activated g-C3N4/TiO2 Photocatalysts
Matias, Maria Leonor; Reis-Machado, Ana S.; Rodrigues, Joana; Calmeiro, Tomás; Deuermeier, Jonas; Pimentel, Ana; Fortunato, Elvira; Martins, RodrigoFunding Information: Acknowledgments are also given to the EC project SYNERGY H2020-WIDESPREAD-2020-5, CSA, proposal nº 952169, EMERGE-2020-INFRAIA-2020-1, proposal nº 101008701. Publisher Copyright: © 2023 by the authors.; The preparation of visible-light-driven photocatalysts has become highly appealing for environmental remediation through simple, fast and green chemical methods. The current study reports th...
A Comparison between Solution-Based Synthesis Methods of ZrO2 Nanomaterials for...
Matias, Maria Leonor; Carlos, Emanuel; Branquinho, Rita; do Valle, Hadassa; Marcelino, João; Morais, Maria; Pimentel, Ana; Rodrigues, JoanaFunding Information: The work was also partially funded by the Nanomark collaborative project between INCM (Imprensa Nacional-Casa da Moeda) and CENIMAT/i3N. Publisher Copyright: © 2022 by the authors.; The present study is focused on the synthesis of zirconium dioxide (ZrO2) nanomaterials using the hydrothermal method assisted by microwave irradiation and solution combustion synthesis. Both synthesis technique...
Floating TiO2-Cork Nano-Photocatalysts for Water Purification Using Sunlight
Matias, Maria Leonor; Morais, Maria; Pimentel, Ana; Vasconcelos, Francisco X.; Reis Machado, Ana S.; Rodrigues, Joana; Fortunato, ElviraFunding Information: The work was also partially funded by the Nanomark collaborative project between INCM (Imprensa Nacional—Casa da Moeda) and CENIMAT/i3N. Publisher Copyright: © 2022 by the authors.; In the present study, titanium dioxide (TiO2) nano-photocatalysts were synthesized through microwave irradiation. In a typical microwave synthesis, TiO2 nanomaterials were simultaneously produced in powder form ...
Enhanced Fe-TiO2 Solar Photocatalysts on Porous Platforms for Water Purification
Matias, Maria Leonor; Pimentel, Ana; Reis-Machado, Ana S.; Rodrigues, Joana; Deuermeier, Jonas; Fortunato, Elvira; Martins, Rodrigo; Nunes, DanielaThis work was financed by national funds from FCT-Fundacao para a Ciencia e a Tecnologia, I.P., in the scope of the projects LA/P/0037/2020. The work was also partially funded by the Nanomark collaborative project between INCM (Imprensa Nacional-Casa da Moeda) and CENIMAT/i3N.; In this study, polyethylene glycol-modified titanium dioxide (PEG-modified TiO2) nanopowders were prepared using a fast solvothermal me...
Optical Studies in Red/NIR Persistent Luminescent Cr‐Doped Zinc Gallogermanate ...
Batista, Maria S.; Rodrigues, Joana; Relvas, Maria S.; Zanoni, Júlia; Girão, Ana V.; Pimentel, Ana; Costa, Florinda M.; Pereira, Sónia O.Zn1+xGa2‐2xGexO4 (ZGGO:Cr)‐persistent phosphor, with a molar fraction, x, of x = 0.1, doped with a 0.5% molar of chromium, was synthesised via solid‐state reaction at 1350 °C for 36 h. X‐ray diffraction measurements and Raman spectroscopy evidence a single crystalline phase corresponding to the cubic spinel structure. Room temperature (RT) photoluminescence (PL) and afterglow decay profiles were investigated us...
Metal oxide-based photocatalytic paper
Nunes, Daniela; Pimentel, Ana; Branquinho, Rita; Fortunato, Elvira; Martins, RodrigoThe interest in advanced photocatalytic technologies with metal oxide-based nanomaterials has been growing exponentially over the years due to their green and sustainable characteristics. Photocatalysis has been employed in several applications ranging from the degradation of pollutants to water splitting, CO2 and N2 reductions, and microorganism inactivation. However, to maintain its eco-friendly aspect, new s...